Injection mold for forming upper cover of liquid medicine filter

Abstract

The utility model relates to the technical field of injection molds, and discloses a liquid medicine filter upper cover forming injection mold which comprises a workbench, stand columns are fixedly connected to the four corners of the top wall of the workbench, a top plate is fixedly connected to the top walls of the stand columns, and a first hydraulic rod is fixedly connected to the middle of the top wall of the top plate. A fixing plate is fixedly connected to the bottom wall of the first hydraulic rod, an upper die is installed in the middle of the bottom wall of the fixing plate, a lower die is installed in the middle of the top wall of the workbench, an access door is arranged on the front side of the outer wall of the workbench, a square groove is formed in the workbench, and a second hydraulic rod is fixedly connected to the middle of the inner bottom wall of the square groove. According to the utility model, the ejector pin module is jacked up by the bottom plate to move upwards, so that the ejector pin module jacks up the filter upper cover in the lower mold for the first time and jacks up the ejector pin module on the limiting block for the second time, a product is gradually separated from the mold in the demolding process, and the product is prevented from being damaged due to overlarge demolding force.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field especially relates to liquid medicine filter upper cover forming injection mold. BACKGROUND

[0002] The liquid medicine filter upper cover is an important component of the liquid medicine filter, is located at the upper portion of the filter, is used in cooperation with the base or lower shell, is used for fixing the filter membrane material and forms the closed filter space, and has multiple functions to ensure the safety and effectiveness of the liquid medicine filtration.

[0003] Through injection molding process, melt plastics are injected into the mold cavity, after cooling and solidification, the specific structure and shape of the upper cover are accurately formed, including the overall contour of the upper cover, the chamber matched with the filter membrane, the connecting and sealing structure and the exhaust hole detail part, the size accuracy and consistency of the upper cover are ensured, the design requirements and use functions are met.

[0004] The liquid medicine filter upper cover forming injection mold on the market, the injection molding process is fast, a large number of products can be produced in a short time, but the ejector pin position, number or ejection mode is improper, which can cause uneven stress of the upper cover during demolding, deformation and ejection mark problems, the prior art is to select the appropriate ejector pin shape according to the specific shape of the product and the ejection requirements, for example, for the product with deep hole or narrow slot, flat ejector pin or push rod ejector pin is used to better adapt to the structure of the product and improve the ejection effect, but the inappropriate ejector pin shape cannot provide uniform ejection force, so that the product is unevenly stressed during demolding, thereby causing the problem of jamming, increasing the demolding difficulty, and even damaging the product. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a liquid medicine filter upper cover forming injection mold, which aims at improving the problem of large demolding difficulty and damaged product in the prior art.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: The upper cover of liquid medicine filter is formed injection mould, including the work table, the top wall four corner places of work table are all fixedly connected with stand, the top wall fixedly connected with top plate of stand, the top wall middle part fixedly connected with hydraulic rod no.

[0007] As a further description of the above technical scheme:

[0008] The cleaning mechanism comprises a protective shell, the protective shell is fixedly connected to the rear side of the top wall of the workbench, the inner wall of the protective shell is fixedly connected with a hydraulic rod three, the output end of the hydraulic rod three is fixedly connected with a connecting block, the inner wall of the connecting block is rotatably connected with a gear, the bottom wall of the gear is meshedly connected with a rack one, the rack one is fixedly connected to the middle part of the inner bottom wall of the protective shell, the top wall of the gear is meshedly connected with a rack two, the top wall of the rack two is fixedly connected with a sliding plate, the middle part of the top wall of the protective shell is provided with a sliding groove two, and the sliding plate is slidably connected with the sliding groove two.

[0009] As a further description of the above technical scheme:

[0010] The front upper middle part of the outer wall of the workbench is fixedly connected with a control console, and the front left and right ends of the outer wall of the control console are both provided with buttons.

[0011] As a further description of the above technical scheme:

[0012] The rear side of the inside of the workbench is fixedly connected with a cooler, the front middle part of the top wall of the cooler is communicated with a pipeline, and the pipeline is communicated in the rear middle part of the outer wall of the lower mould.

[0013] As a further description of the above technical scheme:

[0014] The outer wall right side of the workbench is fixedly connected with a support frame, and a controller is installed on the top wall of the support frame.

[0015] As a further description of the above technical solution:

[0016] The outer wall front side of the workbench is installed with multiple hinges at equal distances between the left and right ends, the outer wall of the hinge is threadedly connected with a bolt, and the workbench is rotationally connected with the access door through the hinge.

[0017] As a further description of the above technical solution:

[0018] The outer wall of the access door is fixedly connected with a handle, and the outer wall of the handle is installed with an anti-skid sleeve.

[0019] As a further description of the above technical solution:

[0020] The bottom wall of the workbench is fixedly connected with a support foot at four corners, and the bottom wall of the support foot is installed with an anti-skid pad.

[0021] The utility model has the advantages of the following beneficial effects:

[0022] 1、the utility model discloses a hydraulic rod two promotes the bottom plate to move upwards, and the bottom plate lifts the ejector pin assembly and moves upwards, and the ejector pin assembly first lifts the filter upper cover in the lower mould, and when the double -end pulley block slides to the upper limit of the sliding slot one, the one side of double -end pulley block will be downward, and the double -end pulley block rotates on the L -shaped block and makes the other side will lift the ejector pin assembly on the limit block again, realizes the product in the demoulding process gradually separates from the mould, avoids the product damage due to demoulding force being too big.

[0023] 2、the utility model discloses the output end of hydraulic rod three promotes the gear in the connecting block to rotate on the rack one, because the rack one is fixed on the bottom wall of the protection shell, therefore the transmission of the gear upper rack two moves, and the rack two top slide plate moves on the sliding slot two, because the air blower is fixed on the slide plate, so the distance of the air blower moving back and forth on the protection shell is farther, realizes the air blower and washes the surface of the lower mould and the cavity back and forth. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the perspective view of the liquid medicine filter upper cover forming injection mold of the utility model;

[0025] Figure 2 It is the front view of the liquid medicine filter upper cover forming injection mold of the utility model;

[0026] Figure 3 It is the partial structure sectional view of the liquid medicine filter upper cover forming injection mold of the utility model;

[0027] Figure 4The utility model provides a partial structure split drawing of liquid medicine filter upper cover forming injection mold.

[0028] Figure 5 The utility model provides a cleaning mechanism schematic view of liquid medicine filter upper cover forming injection mold.

[0029] Legend:

[0030] 1, workbench, 2, cleaning mechanism, 201, protective housing, 202, hydraulic rod three, 203, connecting block, 204, gear, 205, rack one, 206, rack two, 207, slide plate, 208, sliding groove two, 209, air blower, 210, rubber tube, 3, stand, 4, top plate, 5, hydraulic rod one, 6, fixed plate, 7, lower mould, 8, access door, 9, square groove, 10, hydraulic rod two, 11, bottom plate, 12, limit block, 13, slide column, 14, thimble group block, 15, L-shaped block, 16, double -end pulley block, 17, sliding groove one, 18, control cabinet, 19, button, 20, cooler, 21, pipeline, 22, support frame, 23, controller, 24, hinge, 25, bolt, 26, handle, 27, antiskid sleeve, 28, support foot, 29, antiskid pad, 30, upper mould. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0032] Reference Figure 1 , Figure 3 and Figure 4The utility model provides a kind of embodiment: liquid medicine filter upper cover forming injection mold, including workbench 1, the top wall four corners of workbench 1 are uniformly connected with stand 3, the top wall of stand 3 is fixedly connected with top plate 4, stand 3 is used to support top plate 4, the top wall middle part of top plate 4 is fixedly connected with hydraulic rod one 5, the bottom wall of hydraulic rod one 5 is fixedly connected with fixed plate 6, hydraulic rod one 5 is used to push the fixed plate 6 of bottom, the bottom wall middle part of fixed plate 6 is installed with upper die 30, fixed plate 6 moves upper die 30, the top wall middle part of workbench 1 is installed with lower die 7, lower die 7 is used to close upper die 30, the front side of the outer wall of workbench 1 is provided with access door 8, access door 8 is used to open workbench 1 to make it to internal electronic component is overhauled, square groove 9 is set in the inside of workbench 1, the inner bottom wall middle part of square groove 9 is fixedly connected with hydraulic rod two 10, the output end of hydraulic rod two 10 is fixedly connected with bottom plate 11, hydraulic rod two 10 is used to push bottom plate 11, the top wall middle part of bottom plate 11 is fixedly connected with limit block 12, limit block 12 is used to limit the descent distance of ejector pin group block 14, the top wall four corners of bottom plate 11 are uniformly connected with slide column 13, the outer wall of multiple slide columns 13 is slidably connected with ejector pin group block 14, slide column 13 is used to stabilize the sliding distance of ejector pin group block 14, the top wall left and right side equidistant of bottom plate 11 is fixedly connected with a plurality of L-shaped blocks 15, the inner wall of L-shaped block 15 is rotatably connected with double-head pulley block 16, double-head pulley block 16 is used to lift ejector pin group block 14 twice, a plurality of sliding grooves one 17 are equidistantly set in the inner wall left and right side of square groove 9, sliding groove one 17 is slidably connected with double-head pulley block 16, sliding groove one 17 is used to slide double-head pulley block 16 to make its other side lift, the rear side of the top wall of workbench 1 is provided with cleaning mechanism 2, cleaning mechanism 2 is used to blow and wash the surface of mold and cavity, the outer wall front side middle part of workbench 1 is fixedly connected with control console 18, control console 18 is used to control the propulsion of hydraulic rod one 5 to make upper die 30 close lower die 7 to realize injection molding, the outer wall front side left and right ends of control console 18 are installed with button 19, button 19 is used to control the start of control console 18, the inside rear side of workbench 1 is fixedly connected with cooler 20, cooler 20 can quickly reduce mold temperature, accelerate product cooling and setting, facilitate demolding, to shorten the cycle of injection molding, improve production efficiency, the top wall front side middle part of cooler 20 is communicated with pipeline 21, pipeline 21 conveys the cooling medium in cooler 20 into the cooling channel of mold, so that cooling medium can circulate in mold, take away the heat generated in the process of mold and filter upper cover injection, to realize cooling purpose, pipeline 21 is communicated in the outer wall rear side middle part of lower die 7;

[0033] Specifically, the hydraulic rod two 10 pushes the bottom plate 11 to move upwards, the top pin block 14 on the limiting block 12 is lifted by the bottom plate 11 to move upwards, the top pin block 14 is lifted for the first time on the filter upper cover in the lower mold 7, at this time the double head pulley block 16 on the bottom plate 11 slides in the sliding groove one 17, when the double head pulley block 16 slides to the upper limit of the sliding groove one 17, one side of the double head pulley block 16 will be downward, and the double head pulley block 16 rotates on the L-shaped block 15 to make the other side lift the top pin block 14 again, so that the filter upper cover is separated from the lower mold 7, the control panel 18 is used to control the advance of the hydraulic rod one 5 to make the upper mold 30 close the lower mold 7 to realize injection molding, the button 19 is used to control the start of the control panel 18, the cooler 20 can quickly reduce the mold temperature, accelerate the product cooling and shaping, facilitate demolding, thereby shortening the cycle of injection molding and improving the production efficiency, the pipeline 21 delivers the cooling medium in the cooler 20 to the cooling channel of the mold, so that the cooling medium can circulate in the mold, taking away the heat generated in the process of injection molding of the mold and the filter upper cover, thereby achieving the purpose of cooling.

[0034] With reference to Figure 1 And Figure 5 , the cleaning mechanism 2 comprises a protective shell 201 fixedly connected to the top wall rear side of the workbench 1, a hydraulic rod three 202 fixedly connected to the inner wall right side of the protective shell 201, a connecting block 203 fixedly connected to the output end of the hydraulic rod three 202, the hydraulic rod three 202 being used to push the connecting block 203 to move, a gear 204 rotationally connected to the inner wall of the connecting block 203, the gear 204 being fixed on the connecting block 203, a rack one 205 engaged with the bottom wall of the gear 204, the rack one 205 being used to make the gear 204 rotate, the rack one 205 being fixedly connected to the inner bottom wall middle part of the protective shell 201, a rack two 206 engaged with the top wall of the gear 204, the gear 204 driving the rack two 206 to move, the rack two 206 being fixedly connected to the top wall of the sliding plate 207, the rack two 206 driving the sliding plate 207 to slide, a sliding groove two 208 being formed in the top wall middle part of the protective shell 201, the sliding plate 207 being slidably connected with the sliding groove two 208, the sliding groove two 208 being used to slide the sliding plate 207, a blower 209 being fixedly connected to the top wall of the sliding plate 207, the blower 209 being used to blow away the dust and debris on the surface of the mold, keeping the mold clean, preventing these impurities from entering the mold cavity, affecting the appearance and dimensional accuracy of the product, a rubber pipe 210 being fixedly connected to the output end of the blower 209, the rubber pipe 210 being used to control the air duct direction of the blower 209, a support frame 22 being fixedly connected to the outer wall right side of the workbench 1, the support frame 22 being used to support, a controller 23 being installed on the top wall of the support frame 22, the controller 23 being used to set appropriate pressure parameters according to the shape, size, material properties of the product and the mold structure, ensuring that the plastic melt can fill the mold cavity under appropriate pressure;

[0035] Specifically, the output end of the hydraulic rod three 202 pushes the gear 204 in the connecting block 203 to rotate on the rack one 205. Since the rack one 205 is fixed on the bottom wall of the protection shell 201, the transmission of the gear 204 drives the rack two 206 above to move. The rack two 206 moves the sliding plate 207 on the chute two 208. Since the air blower 209 is fixed on the sliding plate 207, the air blower 209 moves farther on the protection shell 201, so that the air blower 209 blows the surface of the lower mold 7 and the cavity to the left and right. The support frame 22 is used to support the controller 23. The controller 23 is used to set appropriate pressure parameters according to the shape, size, material properties of the product and the structure of the mold, so that the plastic melt can fill the mold cavity under appropriate pressure.

[0036] With reference to Figure 1 And Figure 2 The outer wall of the workbench 1 is provided with a plurality of hinges 24 at the left and right ends of the front side, and the outer wall of the hinge 24 is threadedly connected with a bolt 25 for fixing the hinge 24. The workbench 1 is rotatably connected with the access door 8 through the hinge 24, and the hinge 24 is used to rotate the access door 8. The outer wall of the handle 26 is fixedly connected with the access door 8, and the handle 26 is used to pull open the access door 8. The outer wall of the handle 26 is provided with an anti-skid sleeve 27. The special texture or material on the surface of the anti-skid sleeve 27 can greatly increase the friction between the hand and the handle 26, so that the operator can firmly hold the handle 26 in various postures and forces. The bottom wall of the workbench 1 is fixedly connected with a support foot 28 at each corner, and the support foot 28 is used to bear the weight of the mold and the workbench 1, so as to ensure that the whole device remains stable during work. The bottom wall of the support foot 28 is provided with an anti-skid pad 29, which can effectively prevent the support foot 28 from sliding on the ground, so as to ensure that the workbench 1 remains in a stable position during work.

[0037] Specifically, the hinge 24 rotates the access door 8 on the workbench 1, the bolt 25 is used to fix the hinge 24 on the workbench 1, the handle 26 is used to pull open the access door 8, the outer wall of the handle 26 is provided with an anti-skid sleeve 27, the special texture or material on the surface of the anti-skid sleeve 27 can greatly increase the friction between the hand and the handle 26, so that the operator can firmly hold the handle 26 in various postures and forces. The support foot 28 is used to bear the weight of the mold and the workbench 1, so as to ensure that the whole device remains stable during work. The bottom wall of the support foot 28 is provided with an anti-skid pad 29, which can effectively prevent the support foot 28 from sliding on the ground, so as to ensure that the workbench 1 remains in a stable position during work.

[0038] Working principle: when the filter cover injection molding, start the hydraulic rod two 10 in the workbench 1, the hydraulic rod two 10 push the bottom plate 11 to move up, through the bottom plate 11 lift the limit block 12 on the needle group block 14 to move up, make the needle group block 14 first lift the filter cover in the lower mould 7, at this time the double head pulley block 16 on the bottom plate 11 in the sliding slot 1 17 slide, when the double head pulley block 16 slide to the upper limit of sliding slot 1 17, the double head pulley block 16 one side will be down, and the double head pulley block 16 in L block 15 rotate to make the other side will again lift the needle group block 14, make the filter cover separate from the lower mould 7 in;

[0039] Take out the filter cover, start the hydraulic rod three 202 in the protective shell 201, through the output end of the hydraulic rod three 202 push the gear 204 in the connecting block 203 rotate on the rack 1 205, because the rack 1 205 is fixed on the bottom wall of the protective shell 201, therefore the gear 204 transmission drive the upper rack 2 206 move, the rack 2 206 top slide plate 207 move on the sliding slot 2 208, because the air blower 209 is fixed on the slide plate 207, so in the air blower 209 in the protective shell 201 back and forth move the distance is farther, so that the air blower 209 back and forth to the surface of the lower mould 7 and cavity blowing.

[0040] Finally, it should be noted that: the above only for the preferred embodiments of the present application have, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for the person skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. A molding die for forming the top cover of a medicine filter, comprising a worktable (1), characterized in that: The workbench (1) has four corners of its top wall fixedly connected with columns (3), and a top plate (4) fixedly connected to the top wall of each column (3). A hydraulic rod (5) is fixedly connected to the middle of the top wall of the top plate (4), and a fixing plate (6) is fixedly connected to the bottom wall of the hydraulic rod (5). An upper mold (30) is installed in the middle of the bottom wall of the fixing plate (6), and a lower mold (7) is installed in the middle of the top wall of the workbench (1). An inspection door (8) is provided on the front side of the outer wall of the workbench (1). A square groove (9) is opened inside the workbench (1), and a hydraulic rod (10) is fixedly connected to the middle of the inner bottom wall of the square groove (9). A base plate (11) is fixedly connected to the output end of the hydraulic rod (10). A limiting block (12) is fixedly connected to the middle of the top wall of the base plate (11). Sliding columns (13) are fixedly connected to the four corners of the top wall of the base plate (11). Ejector pin blocks (14) are slidably connected to the outer walls of the multiple sliding columns (13). Multiple L-shaped blocks (15) are fixedly connected at equal intervals on the left and right sides of the top wall of the base plate (11). Double-headed pulley blocks (16) are rotatably connected to the inner walls of the L-shaped blocks (15). Multiple sliding grooves (17) are equidistantly opened on the left and right sides of the inner walls of the square groove (9). The sliding grooves (17) are slidably connected to the double-headed pulley blocks (16). A cleaning mechanism (2) is provided on the rear side of the top wall of the worktable (1). The cleaning mechanism (2) is used to blow clean the mold surface and cavity.

2. The injection mold for forming the upper cover of the medicine filter according to claim 1, characterized in that: The cleaning mechanism (2) includes a protective shell (201), which is fixedly connected to the rear side of the top wall of the workbench (1). A hydraulic rod three (202) is fixedly connected to the right side of the inner wall of the protective shell (201). A connecting block (203) is fixedly connected to the output end of the hydraulic rod three (202). A gear (204) is rotatably connected to the inner wall of the connecting block (203). A rack one (205) is meshed with the bottom wall of the gear (204). The rack one (205) is fixedly connected to... In the middle of the inner bottom wall of the protective shell (201), the top wall of the gear (204) is meshed with a rack (206), the top wall of the rack (206) is fixedly connected with a slide plate (207), the middle of the top wall of the protective shell (201) is provided with a sliding groove (208), the slide plate (207) is slidably connected with the sliding groove (208), the top wall of the slide plate (207) is fixedly connected with a blower (209), and the output end of the blower (209) is fixedly connected with a rubber tube (210).

3. The injection mold for molding the upper cover of the medicine filter according to claim 1, characterized in that: A control console (18) is fixedly connected to the upper middle part of the front side of the outer wall of the workbench (1), and buttons (19) are installed on the left and right ends of the front side of the outer wall of the control console (18).

4. The injection mold for forming the upper cover of the medicine filter according to claim 1, characterized in that: A cooler (20) is fixedly connected to the rear side of the inside of the workbench (1). A pipe (21) is connected to the middle of the front side of the top wall of the cooler (20). The pipe (21) is connected to the middle of the rear side of the outer wall of the lower mold (7).

5. The injection mold for forming the upper cover of the medicine filter according to claim 1, characterized in that: A support frame (22) is fixedly connected to the right side of the outer wall of the workbench (1), and a controller (23) is installed on the top wall of the support frame (22).

6. The injection mold for molding the upper cover of the medicine filter according to claim 1, characterized in that: Multiple hinges (24) are equidistantly installed on the left and right ends of the front side of the outer wall of the workbench (1). Bolts (25) are threaded onto the outer wall of the hinges (24). The workbench (1) is rotatably connected to the inspection door (8) through the hinges (24).

7. The injection mold for forming the upper cover of the medicine filter according to claim 1, characterized in that: A handle (26) is fixedly connected to the outer wall of the inspection door (8), and an anti-slip sleeve (27) is installed on the outer wall of the handle (26).

8. The injection mold for forming the upper cover of the medicine filter according to claim 1, characterized in that: The workbench (1) has four fixed support feet (28) at the four corners of its bottom wall, and the bottom wall of the support feet (28) is equipped with anti-slip pads (29).

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